Particle Swarm Optimization Based Parameter Identification Applied to PMSM
- 1 July 2007
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 07431619,p. 2955-2960
Abstract
High performance application of permanent magnet synchronous motors (PMSM) is increasing. PMSM models with accurate parameters are significant for precise control system designs. Acquisition of these parameters during motor operations is a challenging task due to the inherent nonlinearity of motor dynamics. This paper proposes an intelligent model parameter identification method using particle swarm optimization (PSO) approach. As an intelligent computational method based on stochastic search, PSO is shown to be a versatile and efficient tool for this complicated engineering problem. Through both simulation and experiment, this paper verifies the effectiveness of the proposed method in identification of PMSM model parameters. Specifically, stator resistance and load torque disturbance are identified in this PMSM application. Though PMSM is discussed, the method is generally applicable to other types of electrical motors, and as well as other dynamic systems with nonlinear model structure.Keywords
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